Smart doorbell



FIG. 1 is a front perspective view thereof;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is rear perspective view thereof;

FIG. 9 is another front perspective view thereof;

FIG. 10 is a reference front perspective view showing the smart doorbellmounted on a door; and,

FIG. 11 is a reference rear perspective view showing the smart doorbellmounted on a door.

The broken lines represent the environmental structure that forms nopart of the claimed design.

CLAIM The design for smart doorbell, is as shown and described.